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55010050050601 = 507158910846709
BaseRepresentation
bin11001000001000000001100…
…11111100000101000101001
321012202220112222012212012101
430200200012133200220221
524202241040303104401
6312555133525213401
714405226215253322
oct1440400637405051
9235686488185171
1055010050050601
11165896a4165398
126205396561261
13249056b979b39
14d82701a21449
15655e0e829101
hex3208067e0a29

55010050050601 has 4 divisors (see below), whose sum is σ = 55010065968900. Its totient is φ = 55010034132304.

The previous prime is 55010050050569. The next prime is 55010050050611. The reversal of 55010050050601 is 10605005001055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38348542464400 + 16661507586201 = 6192620^2 + 4081851^2 .

It is a cyclic number.

It is not a de Polignac number, because 55010050050601 - 25 = 55010050050569 is a prime.

It is a super-2 number, since 2×550100500506012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55010050050601.

It is not an unprimeable number, because it can be changed into a prime (55010050050611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351766 + ... + 10494943.

It is an arithmetic number, because the mean of its divisors is an integer number (13752516492225).

Almost surely, 255010050050601 is an apocalyptic number.

It is an amenable number.

55010050050601 is a deficient number, since it is larger than the sum of its proper divisors (15918299).

55010050050601 is a wasteful number, since it uses less digits than its factorization.

55010050050601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15918298.

The product of its (nonzero) digits is 3750, while the sum is 28.

Adding to 55010050050601 its reverse (10605005001055), we get a palindrome (65615055051656).

The spelling of 55010050050601 in words is "fifty-five trillion, ten billion, fifty million, fifty thousand, six hundred one".

Divisors: 1 5071589 10846709 55010050050601